diff --git a/samplecode/SamplePictFile.cpp b/samplecode/SamplePictFile.cpp
index 5cd16bd..ea15524 100644
--- a/samplecode/SamplePictFile.cpp
+++ b/samplecode/SamplePictFile.cpp
@@ -94,7 +94,7 @@
     }
 
     virtual void onDrawContent(SkCanvas* canvas) SK_OVERRIDE {
-        SkASSERT(fBBox < kBBoxTypeCount);
+        SkASSERT(static_cast<int>(fBBox) < kBBoxTypeCount);
         SkPicture** picture = fPictures + fBBox;
 
         if (!*picture) {